The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops

Most organisms are diploid, meaning they only have two copies of each chromosome (one set inherited from each parent). Polyploid organisms have more than two paired (homologous) sets of chromosomes. Many plant species are polyploid. Polyploid species cope better with stresses thanks to the redundanc...

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Autor principal: Carpentier, Sebastien C.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Humana Press 2020
Materias:
Acceso en línea:https://hdl.handle.net/10568/113050
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author Carpentier, Sebastien C.
author_browse Carpentier, Sebastien C.
author_facet Carpentier, Sebastien C.
author_sort Carpentier, Sebastien C.
collection Repository of Agricultural Research Outputs (CGSpace)
description Most organisms are diploid, meaning they only have two copies of each chromosome (one set inherited from each parent). Polyploid organisms have more than two paired (homologous) sets of chromosomes. Many plant species are polyploid. Polyploid species cope better with stresses thanks to the redundancy in the chromosome copy number and dispose in this way a greater flexibility in gene expression. Allopolyploid species are polyploids that contain an alternative set of chromosomes by the cross of two (or more) species. Gene variants unique for a preferential phenotype are most probable candidate markers controlling the observed phenotype. Organ or tissue-specific silencing or overexpression of one parental homeolog is quite common. It is very challenging to find those tissue-specific gene variants. High-throughput proteomics is a successful method to discover them. This chapter proposes two possible workflows depending on the available resources and the knowledge of the species. An example is given for an AAB hybrid and an ABB hybrid. Allele-specific gene responses are picked up in this workflow as gene loci displaying genotype-specific differential expression that often have single amino acid polymorphisms. If the resources are sufficient, a genotype-specific mRNAseq database is recommended where a link is made to the allele-specific transcription levels. If the resources are limited, allele-specific proteins can be detected by the detection of genotype-specific peptides and the identification against existing genomics libraries of the parents.
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spelling CGSpace1130502025-12-08T10:29:22Z The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops Carpentier, Sebastien C. proteomics alleles polyploidy crops proteómica alelos poliploidia Most organisms are diploid, meaning they only have two copies of each chromosome (one set inherited from each parent). Polyploid organisms have more than two paired (homologous) sets of chromosomes. Many plant species are polyploid. Polyploid species cope better with stresses thanks to the redundancy in the chromosome copy number and dispose in this way a greater flexibility in gene expression. Allopolyploid species are polyploids that contain an alternative set of chromosomes by the cross of two (or more) species. Gene variants unique for a preferential phenotype are most probable candidate markers controlling the observed phenotype. Organ or tissue-specific silencing or overexpression of one parental homeolog is quite common. It is very challenging to find those tissue-specific gene variants. High-throughput proteomics is a successful method to discover them. This chapter proposes two possible workflows depending on the available resources and the knowledge of the species. An example is given for an AAB hybrid and an ABB hybrid. Allele-specific gene responses are picked up in this workflow as gene loci displaying genotype-specific differential expression that often have single amino acid polymorphisms. If the resources are sufficient, a genotype-specific mRNAseq database is recommended where a link is made to the allele-specific transcription levels. If the resources are limited, allele-specific proteins can be detected by the detection of genotype-specific peptides and the identification against existing genomics libraries of the parents. 2020 2021-03-18T15:44:58Z 2021-03-18T15:44:58Z Book Chapter https://hdl.handle.net/10568/113050 en Limited Access Humana Press Carpentier S.C. (2020) The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops. In: Jorrin-Novo J., Valledor L., Castillejo M., Rey MD. (eds) Plant Proteomics. Methods in Molecular Biology, vol 2139. Humana, New York, NY. p. 297-308 ISBN: 978-1-0716-0527-1
spellingShingle proteomics
alleles
polyploidy
crops
proteómica
alelos
poliploidia
Carpentier, Sebastien C.
The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title_full The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title_fullStr The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title_full_unstemmed The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title_short The use of proteomics in search of allele-specific proteins in (Allo)polyploid crops
title_sort use of proteomics in search of allele specific proteins in allo polyploid crops
topic proteomics
alleles
polyploidy
crops
proteómica
alelos
poliploidia
url https://hdl.handle.net/10568/113050
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